Pen clip



FIG. 1 is a front side bottom perspective view of a pen clip showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines depicting environmental structure are included for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a pen clip, as shown and described. 